Solve applied problems using formulas

Solve applied problems using formulas


 The distance formula, d = rt, relates d, the distance traveled, r, the rate or speed, and t,

the travel time.


Solve percent problems


An important everyday use of mathematics involves the concept of percent. Percent is written with the symbol %. The word percent means “per one hundred.” One percent means

“one per one hundred” or “one one-hundredth.”

1% = .01 or 1% = \frac{1}{100}


Solving a Percent Problem

Let a represent a partial amount of b, the base, or whole amount. Then the following formula can be used in solving a percent problem.

\frac{amount}{base} = \frac{a}{b} = percent (represented as a decimal)


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